Great! Showed up early and ready to go. My car was diagnosed in about half an hour. This was actually a second opinion on a code scan and repair done by a shop the previous week that had tripped the 'check engine' light again and sure enough, they had used a faulty part when repairing my car, which I could get fixed for free under that shop's warranty. It was great to get a detailed description of the problem, as well as assurance that everything else had been checked out and my car had a clean bill of health. Most shops I've been do will not do that, nor can you see them as they work on your vehicle so a lot of times you just have to take their word for it that they're not cutting corners or giving you a line of BS about what's wrong. I also quite like the detailed voice and text summaries of the work performed.
Great experience. I misdiagnosed my car and when he got here he listened to the car and explained to me why he thought it was something different. He got on the phone and found a part nearby, gave me a new estimate (which was less expensive than the previous one) and then went to go grab the part. Even including going to get a new part, he was done in just under an hour. He did a fantastic job and I will definitely book with him again.